Sourcing

Colored Diamonds, Both Mined and Lab-Grown, on Display in HK

SourcingSep 13, 2018

Colored Diamonds, Both Mined and Lab-Grown, on Display in HK

At the Hong Kong Jewellery & Gem Fair, Alrosa is showing the lots from its first color diamond auction, while another Russian company is presenting the world’s largest lab-grown yellow.

20180913_purple-pink-diamond.jpg
This 11.06-carat fancy deep purple-pink diamond is the centerpiece of Alrosa’s first auction of natural color diamonds, which is slated to take place online beginning Sept. 19.

Hong Kong—Two colored diamonds said to be record holders are currently being showcased at the Hong Kong Jewellery & Gem Fair.

At the September edition of the jewelry trade show, Alrosa is presenting an 11.06-carat fancy deep purple-pink cushion-cut diamond that it said is the largest diamond of its color ever graded by the Gemological Institute of America.

The purple-pink stone is one of 250 polished diamonds included in “True Colour,” Alrosa’s first auction of natural color polished diamonds. The sale is scheduled to take place online beginning Sept. 19 and results will be shared later this month.  

The sale is part of a larger push by the company to become a major producer and supplier of the rare and increasingly expensive stones, with Deputy CEO Yury Okoemov calling this first auction a “stepping stone to our goal of taking [on] the colored diamond market.”

Alrosa plans to hold one to two colored diamond auctions a year going forward.

Other diamonds in the True Colour auction include an oval-shaped vivid orangey-yellow diamond that’s 15.11 carats and an 11.19-carat cushion-cut fancy vivid yellow.



Alrosa’s emphasis on color in Hong Kong is the latest in a series of moves by the miner to market its diamonds, both colored and colorless, more heavily.

Last year, the miner put up for auction five D color, VVS1 diamonds cleaved from a 179-carat rough.

Cutting the largest of the stones, a 51.38-carat diamond, was a first for the company and Alrosa’s Pavel Vinikhin said at the time that the cutting of the stone “gives a start to a new stage in the development of Alrosa’s cutting division that will actively develop polishing of extra-large and colored diamonds.”

The company also has designs on making a name for itself among U.S. consumers by highlighting the traceability of the diamonds it mines in Russia.


New Diamond Technology created this 10.06-carat fancy intense yellow octagonal step-cut diamond using the HPHT process. The St. Petersburg, Russia-based company said it is the only 10-carat fancy intense yellow lab-grown diamond in the world.

Alrosa is not the only Russia company that brought a record-setting stone to Hong Kong.

Diamond grower New Diamond Technology (NDT) said it is showcasing a 10.06-carat fancy intense yellow diamond grown using the high-pressure, high-temperature (HPHT) process. The SI clarity, octagonal step-cut stone is the only known fancy intense yellow lab-grown diamond of this size, NDT said.

The International Gemological Institute’s lab in Antwerp graded the diamond, which will be available for viewing at the company’s booth, 3B18, AWE Hall 3. It will not be available for purchase, however, as NDT said Thursday that the stone already has been sold, but declined to disclose the price.

Based in St. Petersburg, NDT has grown a number of large diamonds using the HPHT process, including the 10.08-carat fancy deep blue graded by the GIA in 2016 and brought to the September Hong Kong show that same year.

A video of the 10-carat yellow diamond as well as its grading report are both available online.

Rio Tinto, meanwhile, announced Thursday morning that it will have the 63 diamonds in its 2018 Argyle Pink Diamonds Tender in Hong Kong for viewing in conjunction with the show.




Among the stars of this year’s sale is the 3.14-carat emerald-cut “Argyle Alpha” (pictured above), which is graded as a fancy vivid purplish-pink.

The mining company also announced that it is bringing to Hong Kong a one-of-kind necklace set with a 5.25-carat Muzo emerald and two Argyle pink diamonds totaling 1.77 carats.
Michelle Graffis the editor-in-chief at National Jeweler, directing the publication’s coverage both online and in print.

The Latest

Jacquie Aiche Lizzie Bracelet
CollectionsNov 05, 2024
Jacquie Aiche is Hosting an Online Treasure Hunt

One lucky winner will receive a “Lizzie” diamond bracelet.

Samantha Larson
IndependentsNov 05, 2024
Long's Jewelers Names New Director of Buying

Samantha Larson has joined the Boston-based retailer.

Emerging Jewelers Accelerator Program logo
Events & AwardsNov 05, 2024
JA, BIJC Now Accepting EJAP Applications for 2025

The Emerging Jewelers Accelerator Program will guide retail jewelry entrepreneurs through an eight-month educational curriculum.

Jewelers Mutual Group Cybersecurity
Brought to you by
Navigating Cybersecurity: Essential Guidance for Jewelers

From protecting customer data to safeguarding inventory records, it's crucial to learn how to tackle cybersecurity challenges.

Tiffany & Co. x CFDA Jewelry Designer Award
Events & AwardsNov 05, 2024
Tiffany & Co., CDFA Announce Design Award Finalists

Ten chosen designers will receive mentorship and participate in a design contest for the Tiffany & Co. x CFDA Jewelry Designer Award.

Weekly QuizOct 31, 2024
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Dana J. Lorberg
MajorsNov 04, 2024
Jewelers Mutual Appoints Mastercard Exec to Its Board

Dana J. Lorberg brings 35 years of experience in finance, technology, and strategy to the role.

FBI robbery surveillance photo
CrimeNov 04, 2024
FBI Offering $15K Reward for Info on Halloween Mask-Wearing Robbers

The suspects are said to have been involved in the armed robberies of four jewelry stores across three Midwest states.

Article-Top-Image.jpg
Brought to you by
Enhance Your Expertise with IGI’s In-Person Courses in NYC

This fall, sharpen your skills in jewelry grading, quality control and diamond assessment.

Models wearing Black Sand Pebble ring and Surf bracelet
CollectionsNov 04, 2024
John Hardy’s New Jewels Turn the Black Sands of Bali into Diamonds

The new designs blend Creative Director Reed Krakoff’s aesthetic with the brand’s Balinese roots.

Jaeger-LeCoultre Reverso Tribute watch
IndependentsNov 04, 2024
Eiseman Jewels is Celebrating Watches All Month-Long

The Dallas-based jeweler will showcase timepieces from Cartier, IWC Schaffhausen, Jaeger-LeCoultre, Parmigiani Fleurier, and more.

Gunderson’s Jewelers in Omaha, Nebraska
IndependentsNov 01, 2024
Gunderson’s Jewelers Opens New Location in Nebraska

The new store features a custom design studio and a bridal salon.

Sydney Evan x Wicked “Spell Book” coin charm
CollectionsNov 01, 2024
Piece of the Week: Sydney Evan Gets ‘Wicked’

Designer Rosanne Karmes has created a collection to coincide with the release of the movie musical, which is expected to be a blockbuster.

Charles & Colvard moissanite ring
FinancialsOct 31, 2024
Charles & Colvard Faces Possible Nasdaq Delisting

The retailer said it will file the necessary paperwork to regain compliance as soon as it is able.

National Jeweler columnist Peter Smith
ColumnistsOct 31, 2024
Peter Smith: Nervous Flyers and Emotional Selling

Whether you’re calming the jittery gentleman in seat 13B or selling a diamond ring to a hesitant customer, an empathetic approach is best.

Annie E. Doresca, Grant Mobley, Alexis Padis, Terry Chandler
Events & AwardsOct 31, 2024
WJA Will Celebrate 4 Award Winners at ‘Future of Forty’ Gala

The gala includes a red carpet, music from DJ Renata, an awards program, and “mystery boxes.”

Instore show 2025
Events & AwardsOct 31, 2024
The Instore Show Returns To Chicago Area

The trade show, in its third year, will take place in late September at the Donald E. Stephens Convention Center in Rosemont, Illinois.

Constance Polamalu
Lab-GrownOct 31, 2024
Q&A: Constance Polamalu on Selling Natural and Lab-Grown Diamonds

The jeweler shared her change of heart on lab-grown diamonds and why she keeps them separate from natural diamonds in her business ventures.

Gem Awards New York City
Events & AwardsOct 30, 2024
These Designers, Journalists, and Retailers Are Up for a Gem Award

The 2025 Gem Awards are scheduled to take place March 14 at Cipriani 42nd Street in New York City.

Peggy Grosz
MajorsOct 30, 2024
Peggy Grosz Leaves Assael After Company Is Sold

Grosz had served as Assael’s senior vice president and creative director since 2017.

CD Peacock Love and Celebration Rings
CollectionsOct 30, 2024
CD Peacock Honors Its Hometown of Chicago in First Bridal Collection

“Love and Celebration” is the jeweler’s first in-house collection featuring engagement rings, wedding bands, and celebration rings.

Hands pushing a shopping cart
SurveysOct 30, 2024
Consumer Confidence Rebounds in October

A more positive view of the labor market contributed to the strongest monthly gain since March 2021.

Mejuri store
Events & AwardsOct 30, 2024
Mejuri to Award $50K in Scholarships to Jewelry Design Students

The funds will be distributed to schools in the U.S., Canada, and the U.K.

Jewelers’ Security Alliance President Jennifer Mulvihill
MajorsOct 29, 2024
Cybersecurity Expert Selected as President of Jewelers’ Security Alliance

Jennifer Mulvihill, the first woman to lead JSA in the organization’s 141-year history, takes over for the retiring John Kennedy.

20241030_NYCJW.jpg
Events & AwardsOct 29, 2024
The Can’t-Miss Events of 2024 New York City Jewelry Week

This year’s festivities include more than 100 experiences, such as designer showcases, panel discussions, and even a treasure hunt.

Edgar Mitchell’s Rolex GMT-Master Pepsi
AuctionsOct 29, 2024
Rolex Worn on Apollo 14 Mission Sells for More Than $2M

The GMT-Master “Pepsi” that belonged to astronaut Edgar Mitchell is one of two Apollo-flown Rolex watches ever sold at auction.

Pandora ambassadors Chloe Bailey, Halle Bailey, and Pamela Anderson
MajorsOct 29, 2024
Pandora’s Holiday Campaign, New Jewelry Celebrate Light and Love

The ads star brand ambassadors Chloe and Halle Bailey and Pamela Anderson.

Monica Rich Kosann
EditorsOct 28, 2024
Q&A: Monica Rich Kosann Looks Back on 20 Years

The jewelry designer discussed how she got into the jewelry industry, what she keeps in her favorite locket, and the future of her brand.

×

This site uses cookies to give you the best online experience. By continuing to use & browse this site, we assume you agree to our Privacy Policy